Lynnville Dam
Key Takeaway
Lynnville Dam is classified as low hazard in Iowa. It was completed in 1918 and is 108 years old. Its primary use is recreation.
Physical Details
| Dam Height | 12 ft (taller than 3.1% in IA) |
| Dam Length | 84 ft |
| Dam Type | Gravity |
| Max Storage | 200 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 287 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1918 (108 years old) |
| NID ID | IA03063 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Jasper County Conservation Board
Local Government
Nearby Dams
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Low Hazard 37 ftFrequently Asked Questions
What is the hazard classification of Lynnville Dam?
Lynnville Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lynnville Dam?
Lynnville Dam is owned by Jasper County Conservation Board (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lynnville Dam built?
Lynnville Dam was completed in 1918, making it 108 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Lynnville Dam?
Lynnville Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lynnville Dam?
Lynnville Dam has a dam height of 12 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.